Missoula is situated in Western Montana, 140 miles (225 km) south of Glacier National Park and 270 miles (435 km) northwest of Yellowstone National Park. Missoula International Airport is only minutes from downtown and offers several daily flights on Alaska, Delta, United, and Allegiant Airlines. For those arriving by car or bus, Interstate Freeway 90 (I-90) intersects Missoula from the east and west, and State Highway 93 will bring you into Missoula from the north and south.